The Melbourne Exchange

UADx SSL G Bus Compressor

The whole compressor on one page. Threshold, attack, release, ratio, make-up, Auto Fade rate, sidechain filter and mix on the knobs. Attack, release and ratio click through the real settings: 0.1 to 30 ms, 0.1 s to Auto, and 2:1, 4:1 or 10:1. The buttons are Auto Fade, headroom in 4 dB steps from 4 to 28 dB, and power.

Tested with the device Somebody has run this into the gear it was made for.

Download

Open ROTO-SETUP with the Roto in PLUGIN mode, then File > Import.

The layout

Page 1

Thresh
Attack
  • 0.1 Attack
  • 0.3 Attack
  • 01 Attack
  • 03 Attack
  • 10 Attack
  • 30 Attack
Release
  • 0.1 Release
  • 0.3 Release
  • 0.6 Release
  • 1.2 Release
  • Auto Release
Ratio
  • 2:1 Ratio
  • 4:1 Ratio
  • 10:1 Ratio
Make Up
Fade Rate
SC Filter
Mix
ControlNameRangeFeel
Knob 1ThreshCenter indent
Knob 2Attack6 detents: 0.1 Attack, 0.3 Attack, 01 Attack, 03 Attack, 10 Attack, 30 Attack
Knob 3Release5 detents: 0.1 Release, 0.3 Release, 0.6 Release, 1.2 Release, Auto Release
Knob 4Ratio3 detents: 2:1 Ratio, 4:1 Ratio, 10:1 Ratio
Knob 5Make UpCenter indent
Knob 6Fade RateSmooth
Knob 7SC FilterCenter indent
Knob 8MixCenter indent
Button 6FadeLatching
Button 7Headroom1 to 127Latching
Button 8PowerLatching

Details

Made for
Universal Audio SSL G Bus Compressor
Works with
Roto-Control
Panel used
8 knobs, 3 buttons
Firmware tested
3.3.0
Added
2026-10-09